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The project objectives can be summarized as follows: (1) Obtain high quality experimental data to allow the effects of the most important parameters on the tensile strain capacity of pressurized pipes to be determined; (2) Using the experimental data, and building on previous work, determine the accuracy of existing models (FEA and other engineering models) to predict full-scale results, make initial modifications to improve model accuracy and identify requirements for next generation model developments; (3) Prepare initial recommended procedures, for design and material testing, for establishing project-specific, tensile strain limits for pipelines designed using strain-based design methods; and (4) Develop next generation tensile strain limit models and strain-based design procedures. This project is part of a Consolidated Program. See also Project No 201. Outside testing will be performed by NIST. See Project No 205.